Home / 790,528.18-1,090,928.66-427,951.77

Finding the Fourth Proportional to 790,528.18, 1,090,928.66 and 427,951.77

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Solution

The fourth proportional to 790,528.18, 1,090,928.66 and 427,951.77 is: 590,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,528.18 : 1,090,928.66 = 427,951.77 : x
  2. Step 2: Convert to fraction form
    790,528.18/1,090,928.66 = 427,951.77/x
  3. Step 3: Cross multiply
    790,528.18x = 1,090,928.66 × 427,951.77
  4. Step 4: Simplify right side
    790,528.18x = 466,864,848,850.97
  5. Step 5: Solve for x
    x = 466,864,848,850.97/790,528.18
  6. Step 6: Final answer
    x = 590,573.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.